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_EXTRA keywords not noticed [message #9959]

Fri, 19 September 1997 00:00

J.D. Smith
Messages: 214
Registered: August 1996

Senior Member

Another in a long line of complaints about keyword inheritance. It
seems that now (though I don't recall this always having been a
problem), a wrong keyword is not flagged.

E.g.

pro testex2,b=b
print,'test2'
return
end
pro testex, a=a,_EXTRA=e
print,'test1'
help,/st,e
testex2, _EXTRA=e
return
end

IDL> testex,b=1
test1
** Structure <82441b4>, 1 tags, length=2, refs=1:
B INT 1
test2

IDL> testex,a=1,b=1
test1
** Structure <81ad99c>, 1 tags, length=2, refs=1:
B INT 1
test2

IDL> testex,a=1,b=1,c=1
test1
** Structure <8234884>, 2 tags, length=4, refs=1:
B INT 1
C INT 1
test2

This last one should have been an error in testex2! C is not a valid
keyword to testex2, but it was silently ignored. I don't think this has
always been the case. It's a real problem if you mistype a keyword, but
aren't alerted.. you may not realize that your program didn't recieve a
keyword argument. Has anyone else noticed this?

JD

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[Message index]

		_EXTRA keywords not noticed By: J.D. Smith on Fri, 19 September 1997 00:00
		Re: _extra keyword By: Antonio Santiago on Fri, 01 April 2005 02:47
		Re: _extra keyword By: antonioolita on Thu, 07 April 2005 02:18

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